<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script>
        let  arr = [
            {title: 'aaaa',read: 100, hot: true},
            {title: 'bbbb',read: 100, hot: true},
            {title: 'cccc',read: 100, hot: true},
            {title: 'dddd',read: 100, hot: true}
        ]
        let nerArr = arr.map((item , index, arr) => {
            let json = {};
            json.t = `^-^${item.title}`;
            json.r = item.read + 200;
            json.hot = item.hot == true && '真棒！！'

            return json;
        })
        console.log(nerArr);
    </script>
</head>
<body>
    
</body>
</html>